Abstract
Details are given of the design, fabrication, and assembly, of the Cosmotron's vacuum chamber. Four quadrant-length units, each shaped to fit the magnet's curvature, are joined by expansion joints to stainless steel straight-section boxes that house special component equipment. In the quadrant sections, the inner and outer walls are 1-in. thick, solid, low-permeability stainless steel; to minimize eddy currents, the top and bottom parts consist of separated, stainless steel bars. An airtight cover of Myvaseal rubber is stretched over the top and bottom of the complete quadrant section. Tests on other models are discussed; outgassing measurements on several materials are included. Gaskets in the system are Myvaseal, and measurements on its properties and techniques for its use are described.
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